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# HIDDeviceManager.Notification

Notifications for HID devices.

```
enum Notification
```

## Overview

You can receive these notifications using [`monitorNotifications(matchingCriteria:)`](/documentation/CoreHID/HIDDeviceManager/monitorNotifications(matchingCriteria:)).

## Topics

### Enumeration Cases

[`case deviceMatched(HIDDeviceClient.DeviceReference)`](/documentation/CoreHID/HIDDeviceManager/Notification/deviceMatched(_:))

A notification that a device matched the device criteria.

[`case deviceRemoved(HIDDeviceClient.DeviceReference)`](/documentation/CoreHID/HIDDeviceManager/Notification/deviceRemoved(_:))

A notification that a previously matched device was removed from the system.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

---

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